Bloch Hamiltonians are defined, and the existence of bands is proven for a large class of periodic operators. The results are strong enough to include most of the reasonable physical models of a single electron in crystals. A notable exception is the Dirac Bloch Hamiltonian for a Coulombic crystal w
β¦ LIBER β¦
Spectral properties of a periodically kicked quantum Hamiltonian
β Scribed by M. Combescure
- Publisher
- Springer
- Year
- 1990
- Tongue
- English
- Weight
- 428 KB
- Volume
- 59
- Category
- Article
- ISSN
- 0022-4715
No coin nor oath required. For personal study only.
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The classical and quantum behaviors of a family of periodically driven hamiltonians are compared. By the resonance overlap criterion the perturbation field strength = c for the classical chaotic transition is estimated. The quantum spectral transition is analyzed in terms of the photonic approximati